perc - pers
- perceived (noise) level
- perceived movement
- perceived noise
- perceived noise in decibel units
- perceived noise level
- perceived novelty
- perceived performance
- perceived sensation
- perceived workload
- perceiving
- perceiving dissonance
- perceiving size
- perceiving time
- percentile
- percept
- percept image
- percept significance
- percept-image
- perceptible effect
- perception mechanism
- perception of aircraft attitude
- perception of angular motion
- perception of attitude
- perception of distance
- perception of movement
- perception of pain
- perception of position
- perception of rotation
- perception of spatial orientation
- perception of vertical
- perception of vibration
- perception performance
- perception phenomenon
- perception process
- perception threshold
- perception time
- perceptive
- perceptive anticipation
- perceptive capability
- perceptive deafness
